Home / 988,967,209,139.20-1,483,559,652,825.60-360,965,505,203.20

Finding the Fourth Proportional to 988,967,209,139.20, 1,483,559,652,825.60 and 360,965,505,203.20

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Solution

The fourth proportional to 988,967,209,139.20, 1,483,559,652,825.60 and 360,965,505,203.20 is: 541,487,983,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,967,209,139.20 : 1,483,559,652,825.60 = 360,965,505,203.20 : x
  2. Step 2: Convert to fraction form
    988,967,209,139.20/1,483,559,652,825.60 = 360,965,505,203.20/x
  3. Step 3: Cross multiply
    988,967,209,139.20x = 1,483,559,652,825.60 × 360,965,505,203.20
  4. Step 4: Simplify right side
    988,967,209,139.20x = 535,513,859,581,276,749,561,856
  5. Step 5: Solve for x
    x = 535,513,859,581,276,749,561,856/988,967,209,139.20
  6. Step 6: Final answer
    x = 541,487,983,254.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.